net/virtio: reject deferred Tx start

[dpdk.git] / drivers / net / virtio / virtio_rxtx.c

diff --git a/drivers/net/virtio/virtio_rxtx.c b/drivers/net/virtio/virtio_rxtx.c
index 405c313..0959250 100644 (file)
--- a/drivers/net/virtio/virtio_rxtx.c
+++ b/drivers/net/virtio/virtio_rxtx.c
@@ -1067,6 +1067,11 @@ virtio_dev_tx_queue_setup(struct rte_eth_dev *dev,
 
        PMD_INIT_FUNC_TRACE();
 
+       if (tx_conf->tx_deferred_start) {
+               PMD_INIT_LOG(ERR, "Tx deferred start is not supported");
+               return -EINVAL;
+       }
+
        if (nb_desc == 0 || nb_desc > vq->vq_nentries)
                nb_desc = vq->vq_nentries;
        vq->vq_free_cnt = RTE_MIN(vq->vq_free_cnt, nb_desc);